PRECISION OPTICAL                          
869 WEST 17TH STREET                       
COSTA MESA, CA  92626

PHONE: (949) 631-6800                       
FAX:      (949) 642-7501                       
E-MAIL: sales@precisionoptical.com          
          

VSI
3140  DE LA CRUZ BLVD.
SANTA CLARA, CA  95054

PHONE: (408) 988-4597
FAX:      (408) 988-4569
E-MAIL: dkudelka@valleyscientific.com